US Bridges

CR120/OLD Portland over Ranger Creek

Fair

Fremont County, Colorado · 3 MI E of Portland · Structure no. FRCO 120-212

Built
1923
102 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete
Length
50 ft
1 main span
Daily traffic
42
2022 count
Owner
County
County Highway Agency

About this bridge

CR120/OLD Portland over Ranger Creek is a concrete tee beam carrying CR120/OLD Portland over Ranger Creek in Fremont County, Colorado. It was built in 1923, so it is 102 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 42 vehicles a day, projected to reach 47 by 2042. The structure is 50 ft (15.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR120/OLD Portland
CrossesRanger Creek
Location3 MI E of Portland
RouteCounty Highway 0
Coordinates38.37656, -104.96763
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span45 ft (13.7 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2022)
Projected traffic47 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR120/OLD Portland over Ranger Creek built?

It was built in 1923, making it 102 years old in 2025.

What condition is CR120/OLD Portland over Ranger Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does CR120/OLD Portland over Ranger Creek carry?

About 42 vehicles per day (2022 count).

How long is CR120/OLD Portland over Ranger Creek?

The structure is 50 ft (15.2 m) long with a longest span of 45 ft (13.7 m) and a deck 24 ft wide.

Who owns CR120/OLD Portland over Ranger Creek?

It is owned by the County Highway Agency.